Update index.yml

Author: santiagxf

articles/search/index.yml

@@ -5,7 +5,7 @@ summary: Information retrieval at scale for vector and text content in tradition
 metadata:
   title: Azure AI Search documentation
   description: Information retrieval at scale for vector and text content in traditional or generative search scenarios.
-  ms.service: service
+  ms.service: azure-ai-search
   ms.custom:
     - ignite-2023
     - ignite-2024